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Surface impedance and bulk band geometric phases in one-dimensional systems

  • 发布时间:2020-05-16
  • 点击次数:
  • 发表刊物:Physical Review X
  • 摘要:Surface impedance is an important concept in classical wave systems such as photonic crystals (PCs). For example, the condition of an interface state formation in the interfacial region of two different one-dimensional PCs is simply Z SL+ Z SR= 0, where Z SL (Z SR) is the surface impedance of the semi-infinite PC on the left-hand (right-hand) side of the interface. Here, we also show a rigorous relation between the surface impedance of a one-dimensional PC and its bulk properties through the geometrical (Zak) phases of the bulk bands, which can be used to determine the existence or …
  • 论文类型:期刊论文
  • 卷号:4
  • 期号:2
  • 页面范围:021017
  • 是否译文:
  • 发表时间:2014

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